ARP 11-16 Ford 6.7L Power Stroke Diesel Head Stud Kit Duramax LLY No Limit pre-filters are available

No Limit pre-filters are available in Red

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Using steel drastically increases strength over the aluminum crimp strip used in your stock radiator

This can cause excessive pressure to build in the cooling system

ARP 11-16 Ford 6.7L Power Stroke Diesel Head Stud Kit Duramax LLY No Limit pre-filters are availableThe ARP 250 4301 Diesel Head Stud Kit is a must have upgrade for your 2011 2016 Ford 6. 7L Powerstroke. These extra heavy duty studs are rated at 220,000 psi tensile strength and provide the clamping force required to keep your 6. 7L Powerstrokes cylinder heads from lifting due to higher combustion pressures. The ARP Head Studs are manufactured in ARPs Santa Paula, CA plant from proprietary ARP 2000 material, with threads rolled after heat treating to